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Year : 2001
Tome : 152
Volume : 7
Pages : 531-534
Title : Some observations on the caecal microflora of the chickens during experimental acute fowl typhoid
Authors : T. KOKOSHAROV.
Summary : Quantitative and qualitative microbial examination was carried out on caecal contents non-and postinfection with Salmonella Gallinarum perorally of five-month-old female New Hampshire Salmonella-free chickens. At 1, 4, 7, 14 and 21 days post inoculation (PI) seven infected chickens were sacrificed and caecal contents examined bacteriologically. Seven dead infected and seven control (noninfected) were also analysed. During the first 4 days PI and recovery period (14-21 days) the isolation of aerobic and anaerobic bacteria from caecal contents didn't distinguish from these of control chickens. Population of bacteria within the microflora of the caecum appear to undergo significant changes in clinical period of the disease (4-7 days), when Escherichia coli, Staphylococcus spp. faecal streptococci and H2S-producing Clostridia rose to very large numbers. At the same time the Lactobacilli and Bifidobacteria significantly decreased. The values of the Salmonella Gallinarum strains during infectious process remained high. All these changes in bacterial aerobic and anaerobic flora were direct consequence of Salmonella Gallinarum infection of the chickens.
Keywords : Salmonella Gallinarum - chickens - aerobic-anaerobic bacteria - Bifidobacteria - Lactobacillus.
Correspondence : T. KOKOSHAROV.
Adress : Tel. 359 38 200 32, fax : 359 38 20 55 ; E-mail : kokosharov@yahoo.com
Link : pdf

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